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DE60119353D1 - Optischer Sensor mit Fasergittern für zwei Messgrössen - Google Patents

Optischer Sensor mit Fasergittern für zwei Messgrössen

Info

Publication number
DE60119353D1
DE60119353D1 DE60119353T DE60119353T DE60119353D1 DE 60119353 D1 DE60119353 D1 DE 60119353D1 DE 60119353 T DE60119353 T DE 60119353T DE 60119353 T DE60119353 T DE 60119353T DE 60119353 D1 DE60119353 D1 DE 60119353D1
Authority
DE
Germany
Prior art keywords
optical waveguide
measurands
waveguide grating
optical sensor
fiber gratings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60119353T
Other languages
English (en)
Inventor
Shu Xuewen
Liu Yu
Zhao Donghui
Zhang Lin
Bennion Ian
Aliyu Labbo Gwandu Bashir
Floreani Filip
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aston Photonic Technologies Ltd
Original Assignee
Aston Photonic Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aston Photonic Technologies Ltd filed Critical Aston Photonic Technologies Ltd
Application granted granted Critical
Publication of DE60119353D1 publication Critical patent/DE60119353D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
    • G02B6/022—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using mechanical stress, e.g. tuning by compression or elongation, special geometrical shapes such as "dog-bone" or taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
    • G02B6/02204—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using thermal effects, e.g. heating or cooling of a temperature sensitive mounting body

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE60119353T 2001-11-02 2001-11-02 Optischer Sensor mit Fasergittern für zwei Messgrössen Expired - Lifetime DE60119353D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01309335A EP1324082B1 (de) 2001-11-02 2001-11-02 Optischer Sensor mit Fasergittern für zwei Messgrössen

Publications (1)

Publication Number Publication Date
DE60119353D1 true DE60119353D1 (de) 2006-06-08

Family

ID=8182420

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60119353T Expired - Lifetime DE60119353D1 (de) 2001-11-02 2001-11-02 Optischer Sensor mit Fasergittern für zwei Messgrössen

Country Status (5)

Country Link
US (1) US6833541B2 (de)
EP (1) EP1324082B1 (de)
AT (1) ATE325358T1 (de)
DE (1) DE60119353D1 (de)
WO (1) WO2003038493A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7189497B2 (en) * 2002-07-24 2007-03-13 Intel Corporation Method for writing a planar waveguide having gratings of different center wavelengths
US7187816B2 (en) * 2004-12-13 2007-03-06 Purdue Research Foundation In-fiber whitelight interferometry using long-period fiber grating
US8123400B2 (en) * 2008-04-16 2012-02-28 Ofs Fitel, Llc Multi-core fiber grating sensor
DE102008027931A1 (de) * 2008-06-12 2010-01-07 Hottinger Baldwin Messtechnik Gmbh Optischer Dehnungssensor
CN103323143B (zh) * 2013-06-13 2015-02-25 重庆大学 可同时测量温度和振动的准分布式光纤传感器及制作方法
CN103822591A (zh) * 2014-02-28 2014-05-28 宁波杉工仪器设备有限公司 一种小型化的基片式光纤布拉格光栅应变传感器
FR3049342B1 (fr) * 2016-03-23 2018-04-13 Universite De Nantes Capteur de courbure a fibre optique et dispositif de mesure comprenant ledit capteur
CN106595731B (zh) * 2016-12-13 2018-05-04 山东大学 一种纤维复合材料热模压固化变形光纤监测装置及方法
DE102017201524A1 (de) 2017-01-31 2018-08-02 Hochschule für angewandte Wissenschaften München Faseroptische Erfassungseinrichtung sowie Verfahren zum Betreiben einer solchen faseroptischen Erfassungseinrichtung
CN109579724A (zh) * 2018-12-18 2019-04-05 武汉理工光科股份有限公司 一种温度补偿型光纤光栅应变传感器件
US11280642B2 (en) * 2019-06-11 2022-03-22 Boise State University Reflective long period grating
US11965732B2 (en) * 2021-02-17 2024-04-23 Touch Netix Limited Methods and sensor for measuring strain
CN113624152B (zh) * 2021-06-22 2022-06-07 成都凯天电子股份有限公司 一种基于光栅的轮载信号检测方法
CN114199288A (zh) * 2021-10-29 2022-03-18 上海交通大学 基于光纤光栅的温度-应变-振动同步测量系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996419A (en) * 1989-12-26 1991-02-26 United Technologies Corporation Distributed multiplexed optical fiber Bragg grating sensor arrangeement

Also Published As

Publication number Publication date
US6833541B2 (en) 2004-12-21
ATE325358T1 (de) 2006-06-15
EP1324082B1 (de) 2006-05-03
US20030085344A1 (en) 2003-05-08
WO2003038493A1 (en) 2003-05-08
EP1324082A1 (de) 2003-07-02

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Legal Events

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